23240133430309 has 2 divisors, whose sum is σ = 23240133430310. Its totient is φ = 23240133430308.

The previous prime is 23240133430271. The next prime is 23240133430357. The reversal of 23240133430309 is 90303433104232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13662655867809 + 9577477562500 = 3696303^2 + 3094750^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240133430309 - 2³¹ = 23237985946661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240133430379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620066715154 + 11620066715155.

It is an arithmetic number, because the mean of its divisors is an integer number (11620066715155).

Almost surely, 2^{23240133430309} is an apocalyptic number.

It is an amenable number.

23240133430309 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240133430309 is an equidigital number, since it uses as much as digits as its factorization.

23240133430309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 23240133430309 in words is "twenty-three trillion, two hundred forty billion, one hundred thirty-three million, four hundred thirty thousand, three hundred nine".